Elements / IP

MarkIPCE

sets IP packets' ECN field to Congestion Experienced

SYNOPSIS§

MarkIPCE([FORCE])

Batching: Batching natively supported
Ports: 1 input, 1 output
Processing: agnostic

DESCRIPTION§

Expects IP packets as input. Sets each incoming packet's ECN field to Congestion Experienced (value 3), incrementally recalculates the IP checksum, and passes the packet to output 0. Packets whose ECN field is zero (not ECN-capable) are dropped unless the optional FORCE argument is true.

Generated by click-elem2man from ../elements/ip/markipce.hh:7 on 2026/11/02.